Google Search & Updates
Core Update
A significant change to Google's search ranking algorithm that broadly affects search results.
CurrentLast updated: 2026-09-16
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Definition
Google Search & UpdatesA core update is a significant change to Google's search ranking algorithm. Core updates are broad and can affect many sites across many categories. Google typically announces core updates and advises site owners to focus on content quality and E-E-A-T rather than specific technical fixes.
Why it matters
Core updates can significantly change search rankings. Understanding them helps diagnose traffic changes.
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